Section 817. Appointments and promotions

a. All appointments, promotions
  and changes in status of persons in the public service of the city shall
  be made in the manner prescribed by the constitution of the state and in
  accordance with the provisions  of  the  civil  service  law  and  other
  provisions of law not inconsistent therewith nor with this charter.
    b.  Whenever  qualifications  for the appointment of persons to public
  office are prescribed by law, the appointing officer shall, upon  making
  such  appointment,  file with the civil service commission a certificate
  that such appointment complies with such law.